Mark and Recapture Is a Way That Ecologists Can Estimate

question 21

Multiple Choice

Mark and recapture is a way that ecologists can estimate the size of a population in a community or ecosystem.A researcher team recently captured, tagged, and released 50 crows in one geographic region.Then over the next few months, they captured 200 crows, of which 5% were tagged from before.They conclude that the population of crows in this region is roughly_________.(Outcome #7a)

• A)100,000
• B)10,000
• C)1000

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